Hello Cavus, is your Job Tracker running on localhost? It would be great if you can provide more information about your current Hadoop setup.
cheers, esteban. estebangutierrez.com — twitter.com/esteban 2010/12/30 Cavus,M.,Fa. Post Direkt <m.ca...@postdirekt.de> > I process this > > ./hadoop jar ../../hadoopjar/hd.jar org.postdirekt.hadoop.WordCount > gutenberg gutenberg-output > > I get this > Dıd anyone know why I get this Error? > > 10/12/30 16:48:59 INFO security.Groups: Group mapping > impl=org.apache.hadoop.security.ShellBasedUnixGroupsMapping; > cacheTimeout=300000 > 10/12/30 16:49:01 INFO ipc.Client: Retrying connect to server: localhost/ > 127.0.0.1:9001. Already tried 0 time(s). > 10/12/30 16:49:02 INFO ipc.Client: Retrying connect to server: localhost/ > 127.0.0.1:9001. Already tried 1 time(s). > 10/12/30 16:49:03 INFO ipc.Client: Retrying connect to server: localhost/ > 127.0.0.1:9001. Already tried 2 time(s). > 10/12/30 16:49:04 INFO ipc.Client: Retrying connect to server: localhost/ > 127.0.0.1:9001. Already tried 3 time(s). > 10/12/30 16:49:05 INFO ipc.Client: Retrying connect to server: localhost/ > 127.0.0.1:9001. Already tried 4 time(s). > 10/12/30 16:49:06 INFO ipc.Client: Retrying connect to server: localhost/ > 127.0.0.1:9001. Already tried 5 time(s). > 10/12/30 16:49:07 INFO ipc.Client: Retrying connect to server: localhost/ > 127.0.0.1:9001. Already tried 6 time(s). > 10/12/30 16:49:08 INFO ipc.Client: Retrying connect to server: localhost/ > 127.0.0.1:9001. Already tried 7 time(s). > 10/12/30 16:49:09 INFO ipc.Client: Retrying connect to server: localhost/ > 127.0.0.1:9001. Already tried 8 time(s). > 10/12/30 16:49:10 INFO ipc.Client: Retrying connect to server: localhost/ > 127.0.0.1:9001. Already tried 9 time(s). > Exception in thread "main" java.net.ConnectException: Call to localhost/ > 127.0.0.1:9001 failed on connection exception: java.net.ConnectException: > Connection refused > at org.apache.hadoop.ipc.Client.wrapException(Client.java:932) > at org.apache.hadoop.ipc.Client.call(Client.java:908) > at > org.apache.hadoop.ipc.WritableRpcEngine$Invoker.invoke(WritableRpcEngine.java:198) > at $Proxy0.getProtocolVersion(Unknown Source) > at > org.apache.hadoop.ipc.WritableRpcEngine.getProxy(WritableRpcEngine.java:228) > at org.apache.hadoop.ipc.RPC.getProxy(RPC.java:224) > at > org.apache.hadoop.mapreduce.Cluster.createRPCProxy(Cluster.java:82) > at org.apache.hadoop.mapreduce.Cluster.createClient(Cluster.java:94) > at org.apache.hadoop.mapreduce.Cluster.<init>(Cluster.java:70) > at org.apache.hadoop.mapreduce.Job.<init>(Job.java:129) > at org.apache.hadoop.mapreduce.Job.<init>(Job.java:134) > at org.postdirekt.hadoop.WordCount.main(WordCount.java:19) > at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method) > at > sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:39) > at > sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25) > at java.lang.reflect.Method.invoke(Method.java:597) > at org.apache.hadoop.util.RunJar.main(RunJar.java:192) > Caused by: java.net.ConnectException: Connection refused > at sun.nio.ch.SocketChannelImpl.checkConnect(Native Method) > at > sun.nio.ch.SocketChannelImpl.finishConnect(SocketChannelImpl.java:574) > at > org.apache.hadoop.net.SocketIOWithTimeout.connect(SocketIOWithTimeout.java:206) > at org.apache.hadoop.net.NetUtils.connect(NetUtils.java:373) > at > org.apache.hadoop.ipc.Client$Connection.setupIOstreams(Client.java:417) > at > org.apache.hadoop.ipc.Client$Connection.access$1900(Client.java:207) > at org.apache.hadoop.ipc.Client.getConnection(Client.java:1025) > at org.apache.hadoop.ipc.Client.call(Client.java:885) > ... 15 more >
